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canonical ubuntu linux 20.04 vulnerabilities and exploits
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4.3
CVSSv2
CVE-2020-15654
When in an endless loop, a website specifying a custom cursor using CSS could make it look like the user is interacting with the user interface, when they are not. This could lead to a perceived broken state, especially when interactions with existing browser dialogs and warnings...
Mozilla Thunderbird
Mozilla Firefox Esr
Mozilla Firefox
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
4.3
CVSSv2
CVE-2020-15653
An iframe sandbox element with the allow-popups flag could be bypassed when using noopener links. This could have led to security issues for websites relying on sandbox configurations that allowed popups and hosted arbitrary content. This vulnerability affects Firefox ESR < 78...
Mozilla Thunderbird
Mozilla Firefox Esr
Mozilla Firefox
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
4.3
CVSSv2
CVE-2020-15652
By observing the stack trace for JavaScript errors in web workers, it was possible to leak the result of a cross-origin redirect. This applied only to content that can be parsed as script. This vulnerability affects Firefox < 79, Firefox ESR < 68.11, Firefox ESR < 78.1, ...
Mozilla Firefox
Mozilla Firefox Esr
Mozilla Thunderbird
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
4.3
CVSSv2
CVE-2020-15658
The code for downloading files did not properly take care of special characters, which led to an attacker being able to cut off the file ending at an earlier position, leading to a different file type being downloaded than shown in the dialog. This vulnerability affects Firefox E...
Mozilla Thunderbird
Mozilla Firefox Esr
Mozilla Firefox
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
NA
CVE-2023-3389
A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation. Racing a io_uring cancel poll request with a linked timeout can cause a UAF in a hrtimer. We recommend upgrading past commit ef7dfac51d8ed961b742218f526bd...
Linux Linux Kernel
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 22.04
Debian Debian Linux 10.0
Debian Debian Linux 11.0
4.6
CVSSv2
CVE-2020-16119
Use-after-free vulnerability in the Linux kernel exploitable by a local attacker due to reuse of a DCCP socket with an attached dccps_hc_tx_ccid object as a listener after being released. Fixed in Ubuntu Linux kernel 5.4.0-51.56, 5.3.0-68.63, 4.15.0-121.123, 4.4.0-193.224, 3.13.0...
Linux Linux Kernel -
Canonical Ubuntu Linux 12.04
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 20.04
Debian Debian Linux 9.0
Debian Debian Linux 11.0
1 Github repository
5
CVSSv2
CVE-2018-15822
The flv_write_packet function in libavformat/flvenc.c in FFmpeg up to and including 2.8 does not check for an empty audio packet, leading to an assertion failure.
Ffmpeg Ffmpeg
Debian Debian Linux 8.0
Debian Debian Linux 9.0
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 18.10
Canonical Ubuntu Linux 19.04
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
7.2
CVSSv2
CVE-2020-15780
An issue exists in drivers/acpi/acpi_configfs.c in the Linux kernel prior to 5.7.7. Injection of malicious ACPI tables via configfs could be used by malicious users to bypass lockdown and secure boot restrictions, aka CID-75b0cea7bf30.
Linux Linux Kernel
Opensuse Leap 15.1
Opensuse Leap 15.2
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
1 Github repository
4.9
CVSSv2
CVE-2020-11042
In FreeRDP greater than 1.1 and prior to 2.0.0, there is an out-of-bounds read in update_read_icon_info. It allows reading a attacker-defined amount of client memory (32bit unsigned -> 4GB) to an intermediate buffer. This can be used to crash the client or store information fo...
Freerdp Freerdp
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
4.9
CVSSv2
CVE-2020-11045
In FreeRDP after 1.0 and prior to 2.0.0, there is an out-of-bound read in in update_read_bitmap_data that allows client memory to be read to an image buffer. The result displayed on screen as colour.
Freerdp Freerdp
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
CVSSv2
CVSSv2
CVSSv3
VMScore
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